You Searched For: OPTEM

Supplier: Southern Biotechnology

Description: CD11b, the integrin αM subunit, combines with CD18, the integrin β2 subunit, to form the integrin Mac-1, also known as complement receptor 3 (CR3), which mediates adhesion to C3bi and ICAM-1/CD54. Mac-1 is expressed at varying levels on granulocytes, macrophages, dendritic cells, NK cells, and B-1 cells in the peritoneal and pleural cavities. Mac-1 expression is rapidly up-regulated on neutrophils after activation and in the same time period that CD62L is shed from the cell surface. In addition to its role in binding C3bi on opsonized targets and mediation of the subsequent ingestion process, Mac-1 is important as an adhesion molecule in the transendothelial migration of monocytes and neutrophils. Cross-reaction of M1/70 to human CD11b has been observed on monocytes, polymorphonuclear leukocytes, and NK cells.

Catalog Number: (100245-210)

Supplier: Southern Biotechnology

Description: Goat Anti-Rhesus IgG(H+L)-HRP antibody for use in ELISA, immunocytochemistry, and western blotting assays.

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Catalog Number: (103264-888)

Supplier: Southern Biotechnology

Description: Goat Anti-Rabbit IgG(H+L)-Alexa Fluor 488 antibody with minimal reactivity to mouse and human proteins for use in flow cytometry, immunohistochemistry / immunocytochemistry, and western blotting assays.

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Catalog Number: (100243-966)

Supplier: Southern Biotechnology

Description: CD105, also known as endoglin, is a disulfide-linked type II transmembrane homodimer that is predominantly expressed on vascular endothelial cells. It is also found on pre-erythroblasts, macrophages, and lymphoid and myeloid leukemic cells. Both mouse and human CD105 exhibit >70% sequence homology in their cytoplasmic domains with type III transforming growth factor β (TGFβ) receptor. CD105 has been shown to be one of several receptors for the various isoforms of TGFβ which in turn is one of a family of proteins involved in regulation of cell differentiation, migration of cells, and control of the immune response.

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Catalog Number: (100242-860)

Supplier: Southern Biotechnology

Description: HRP Anti-Mouse Kappa antibody for use in ELISA, immunohistochemistry, and western blotting assays.

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Catalog Number: (100246-164)

Supplier: Southern Biotechnology

Description: CD14 is a 55 kDa glycosphosphatidylinositol (GPI)-anchored single chain glycoprotein. It is expressed on monocytes, macrophages, dendritic cells, and Langerhans cells. It is also weakly expressed on neutrophils. CD14 appears to be involved in clearance of gram-negative bacteria via its high affinity binding to LPS-LPB complexes.

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Catalog Number: (103265-430)

Supplier: Southern Biotechnology

Description: CD107a, also known as lysosomal-associated membrane protein 1 (LAMP-1), is a heavily glycosylated type I transmembrane protein that constitutes the major sialoglycoproteins on lysosomal membranes. It is a ligand for galaptin, an S-type lectin present in extracellular matrix, through its recognition of acetyllactosamine oligosaccharide chains, and is a ligand for E-selectin-mediated cell adhesion. CD107a is expressed by activated T cells, macrophages, dendritic cells, activated platelets, tonsillar epithelium, and some tumor cell lines, including U937 and KG1a. It is also a widely expressed intracellular antigen. LAMP-1 may function in protecting the inner surface of the lysosomal membrane by forming a barrier to lysosomal hydrolases. The upregulation of both CD107a and CD107b on the surface of tumor cell lines has been associated with their enhanced metastatic potential where they may increase adhesion to extracellular matrix and endothelium.

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Catalog Number: (100244-162)

Supplier: Southern Biotechnology

Description: CD107a, also known as lysosomal-associated membrane protein 1 (LAMP-1), is a heavily glycosylated type I transmembrane protein that constitutes one of the two major sialoglycoproteins on lysosomal membranes that can be used to distinguish lysosomes from other organelles. It is a ligand for galaptin, an S-type lectin present in extracellular matrix, through its recognition of acetyllactosamine oligosaccharide chains and is a ligand for E-selectin-mediated cell adhesion. CD107a is principally expressed in epithelial cells and macrophages in a variety of organs in normal and beige mutant mice. It may function in protecting the inner surface of the lysosomal membrane by forming a barrier to lysosomal hydrolases.

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Catalog Number: (100242-146)

Supplier: Southern Biotechnology

Description: Low Endotoxin/Azide Free Hamster IgG for use as a control in flow cytometry and in vivo assays and as a standard in ELISA.

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Catalog Number: (100245-902)

Supplier: Southern Biotechnology

Description: CD19 is a type I transmembrane glycoprotein and a member of the immunoglobulin superfamily. It is expressed at all stages of B cell differentiation except terminally differentiated plasma cells. It is also present on the cell surface of follicular dendritic cells. CD19 associates with CD21, CD81, Leu 13 and/or MHC Class II molecules to form a signal transduction complex on the B cell surface. This signaling complex modulates the activation threshold for the B cell antigen receptor (BCR).

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Catalog Number: (100245-584)

Supplier: Southern Biotechnology

Description: Chicken MCAM, a member of the immunoglobulin superfamily of cell surface receptors, consists of the V-V-C2-C2-C2 Ig domains. It is a single chain glycoprotein with three mRNA splice variants. One has a short cytoplasmic tail, another has a long tail, and the third seems to lack transmembrane and cytoplasmic regions. It is highly homologous to gicerin, a molecule involved in neurite outgrowth and Wilm’s kidney tumor progression in the chicken, and to the human melanoma progression molecule MUC18. Chicken MCAM is expressed by c-kit+ hematopoietic progenitor cells in embryonic bone marrow, thymocytes, and capillary endothelial cells. MCAM-expressing cells sorted from bone marrow are enriched in progenitors capable of differentiating into T cells when transferred into the appropriate thymic microenvironment. MCAM has been proposed to be involved in cellular adhesion and homing processes.

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Catalog Number: (100245-628)

Supplier: Southern Biotechnology

Description: ChT1, a member of the Ig superfamily with one V-like and one C2-like domain, is a T cell antigen that is expressed on the surface of embryonic thymocytes (day 10). In young chickens about 90% of the thymocytes as well as a subpopulation of peripheral lymphocytes, which represent recent thymic emigrants are ChT1 positive. Expression in the periphery declines with age and, in correlation with partial thymectomy, indicates that ChT1 can be used as an accurate marker for studying thymic function. The monoclonal antibody CT1 also recognizes the ChT1 antigen in quail cortical thymocytes.

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Catalog Number: (100244-872)

Supplier: Southern Biotechnology

Description: CD21, also known as complement receptor 2, is expressed on all mature circulating B lymphocytes but not on T lymphocytes or natural killer cells. Low density CD21 has also been reported on granulocytes and monocytes. The monoclonal antibody BB6-11C9.6 stains the following percentages of surface immunoglobulin (sIg) positive cells in porcine lymphoid tissues - 92-96% in peripheral blood, 74-98% in mesenteric lymph nodes, 97-100% in ileal Peyer’s patches (ILPP), 93-97% in spleen, and 0% in thymus. The antibody does not stain B cells in cord blood or spleen from pig fetuses (105 days gestation).

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Catalog Number: (103264-436)

Supplier: Southern Biotechnology

Description: Goat Anti-Mouse IgG(H+L)-HRP antibody with minimal reactivity to human, rat, hamster, goat, sheep, rabbit, chicken, guinea pig, horse, and bovine serum proteins for use in ELISA and immunocytochemistry assays.

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Catalog Number: (100245-496)

Supplier: Southern Biotechnology

Description: The chicken Ia antigen is expressed on B cells, a subpopulation of the monocyte/macrophage lineage of cells, and mitogen-activated T cells. The molecule recognized by this antibody is similar in structure to the murine Ia antigens and human DR antigens.

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Catalog Number: (103265-352)

Supplier: Southern Biotechnology

Description: CD16, a member of the immunoglobulin superfamily, is a 50-65 kDa glycoprotein found as both a transmembrane and GPI-linked form. The transmembrane form of CD16 is expressed on NK cells, granulocytes, macrophages, and mast cells but not on eosinophils. The GPI-anchored type of CD16 is found only on neutrophils. CD16 is involved in NK activation and signal transduction.

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